A 20 Gbps Scalable Load-Balanced TDM Switch with CODEC for High Speed Networking Applications

  • Authors:

  • Ching-Te Chiu;Chun-Chieh Chang;Shih-Min Chen;Hou-Cheng Tzeng;Ming-Chang Du;Yu-Ho Hsu;Jen-Ming Wu;Kai-Ming Feng

  • Affiliations:

  • National Tsing Hua University;National Tsing Hua University;National Tsing Hua University;National Tsing Hua University;National Tsing Hua University;National Tsing Hua University;National Tsing Hua University;National Tsing Hua University

  • Venue:
  • IWSOC '05 Proceedings of the Fifth International Workshop on System-on-Chip for Real-Time Applications
  • Year:
  • 2005

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Abstract

For the first time, we implemented a reconfigurable load-balanced TDM switch for high speed networking applications. An N脳N TDM switch could be constructed recursively from the proposed switch modules to achieve switching capacity of hundred gigabits per second or higher. Two architectures were implemented. One was an 8脳8 TDM switch with serial input/output ports and embedded 8/10B CODECs for Ethernet applications. The other was a dual-mode 8脳8 or 64脳64 TDM switch with parallel ports. A novel testing circuit was also implemented to easily verify switching results. Our results showed a 20 Gbps switching capacity for the 8脳8 TDM switch with parallel input and output ports and a 640 Gbps capacity for the 64脳64 switch. All implementation were based on the 0.18 µm CMOS technology.